| Rank | Abbreviation | Meaning |
|---|
| ***** | NISD | National Institute for Skill Development
| |
| **** | NISD | nuclear installations safety division
| |
| **** | NISD | National Institute of Scuba Diving
| |
| **** | NISD | Nordheim Independent School District
| |
| **** | NISD | National Institute of Social Defence
| |
| **** | NISD | Nederland Independent School District
| |
| **** | NISD | Network of Institutions for Sustainable Development
| |
| *** | NISD | Network Information Service Daemon
| |
| *** | NISD | National Institute of Social Defense
| |
| *** | NISD | National Institute of Social Development
| |
| *** | NISD | Newton Independent School District
| |
| *** | NISD | National Institute of Steel Detailers
| |
| ** | NISD | National Infrastructure Support Division
| |
| ** | NISD | Networks and Information Security Division
| |
| ** | NISD | Nonproliferation and International Security Division
| |
| ** | NISD | Northside Independent School District (San Antonio, TX)
| |
| ** | NISD | Natural Interactive Services Division
| |
| ** | NISD | Northwest Independent School District
| |
| ** | NISD | Nacogdoches Independent School District
| |
| * | NISD | Nocona Independent School District
| |
| * | NISD | national institute steel detailing
| |
| * | NISD | Novice Independent School District
| |
| * | NISD | National Intelligence System Development
| |
| * | NISD | Neches Independent School District
| |
| * | NISD | Navarro Independent School District
| |